Stock-Based Compensation - Stock-based Compensation Expense (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) year	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) year	Jun. 30, 2019 USD ($)
Employee
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized Stock Compensation Expense	$ 3,043		$ 3,043
Weighted average remaining expense period | year	2.2		2.2
Pre-Tax Expense	$ (52)	$ 416	$ 474	$ 946
Post-Tax Expense	(41)	329	374	747
Director
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized Stock Compensation Expense	$ 333		$ 333
Weighted average remaining expense period | year	0.8		0.8
Pre-Tax Expense	$ 133	261	$ 307	632
Post-Tax Expense	$ 105	$ 206	$ 243	$ 499